<template>
  <view>
    <view v-for="(goods, i) in goodsList" :key="i" @click="gotoDetail(goods)">
      <my-goods :goods="goods"></my-goods>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 请求参数对象
        queryObj: {
          query: '',
          cid: '',
          pagenum: 1,
          pagesize: 10
        },
        goodsList: [],
        total: 0,
        isLoading: false
      };
    },
    onLoad(option) {
     this.queryObj.query = option.query || ''
     this.queryObj.cid = option.cid || ''
     
     this.getGoodsList()
    },
    methods: {
     async getGoodsList(cb) {
       this.isLoading = true
      const {data: res} = await uni.$http.get('https://api-ugo-web.itheima.net/api/public/v1/goods/search', this.queryObj)
      this.isLoading = false
      cb && cb()
      if(res.meta.status !== 200) return uni.$showMsg()
      this.goodsList = [...this.goodsList, ...res.message.goods]
      this.total = res.message.total
      },
    gotoDetail(item) {
      uni.navigateTo({
        url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
      })
    }
    },
    onReachBottom() {
      if(this.isLoading) return
      if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
      this.queryObj.pagenum ++
      this.getGoodsList()
    },
    onPullDownRefresh() {
      this.queryObj.pagenum = 1
      this.isLoading = false
      this.goodsList = []
      this.getGoodsList(() => uni.stopPullDownRefresh())
    }
  }
</script>

<style lang="scss">
  
</style>
